ÔÚÒ»´ÎÎïÀí̽¾¿»î¶¯ÖÐͬѧÃÇÓÃÈçͼ¼×ËùʾµÄ×°ÖÃÀ´²â¶¨Ò»Î¢Ð͵綯»úÔÚÎȶ¨×´Ì¬ÏµÄÊä³ö¹¦ÂÊ¡£ÊµÑéÆ÷²Ä£ºÎ¢Ð͵綯»ú´øÓÐÁ½¸ö¹Ì¶¨Ìú¼ÐµÄÌú¼Ų̈£¬µç´Å´òµã¼ÆʱÆ÷£¬µÍѹ½»Á÷µçÔ´£¬´¹´¸£¬Ï¸Ïߣ¬Ã׳ߣ¬Ö½´ø£¬¸´Ð´Ö½£¬ÌìƽµÈ¡£ÊµÑé²½ÖèÈçÏ£º

¢ÙÈçͼËùʾ£¬½«Î¢Ð͵綯»úºÍµç´Å´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚÌú¼Ų̈ÉÏ£¬²¢ÓëµçÔ´Á¬½Ó¡£°ÑÒ»¸ùϸÏ߹̶¨Ôڵ綯»úµÄתÂÖÉÏ£¬Ï¸Ïß϶ËÁ¬½ÓÔÚÖØ´¸É϶ˣ¬½«Ö½´øµÄÒ»¶Ë´©¹ý´òµã¼ÆʱÆ÷µÄÏÞλ¿×ºó£¬¹Ì¶¨ÔÚÖØ´¸ÉÏ¡£

¢Ú½Óͨ´òµã¼ÆʱÆ÷µÄµçÔ´£¬¼ÆʱÆ÷¿ªÊ¼´òµã£¬Í¬Ê±Æô¶¯Î¢Ð͵綯»ú´ø¶¯ÖØ´¸ÉÏÉý¡£

¢Û¾­¹ýÒ»¶Îʱ¼ä£¬¹Ø±Õ´òµã¼ÆʱÆ÷ºÍ΢Ð͵綯»ú£¬È¡ÏÂÖ½´ø£¬½øÐвâÁ¿¡£

¢ÜÓÃÌìƽ²â³öÖØ´¸µÄÖÊÁ¿¡£

ÒÑÖª½»Á÷µçÔ´ÖÜÆÚT=0.02s£¬µ±µØµÄÖØÁ¦¼ÓËÙ¶Èg=9.80m/s2£¬Ä³´ÎʵÑé²âµÃÖØ´¸µÄÖÊÁ¿Îª0.40kg£¬µÃµ½Ö½´øµÄÒ»¶ÎÈçͼÒÒËùʾ¡£ÊԻشðÏÂÁÐÎÊÌ⣺

£¨1£©ÓÉÖ½´øÉÏ´òϵĵ㣬¿ÉÒÔÅжÏÖØ´¸×ö           Ô˶¯¡£

£¨2£©ÓÉÒÑÖªÁ¿ºÍ²âµÃÁ¿ÇóµÃ΢Ð͵綯»úµÄÊä³ö¹¦ÂÊP=    ¡££¨¼ÆËã½á¹û±£Áô3λÓÐЧÊý×Ö£©

£¨3£©ÄãÈÏΪ΢Ð͵綯»úµÄʵ¼ÊÊä³ö¹¦ÂÊ     £¨Ìî¡°´óÓÚ¡±»ò¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±£©¼ÆËãÖµ¡£Ô­ÒòÊÇ             ¡£

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

ÇëÍê³ÉÏÂÃæÁ½¸öСÌ⣺
£¨1£©ÈçͼËùʾ£¬Í¼¼×ÊÇÓÃÂÝÐý²â΢Æ÷²âÁ¿Ä³Ò»½ðÊô°åºñ¶ÈʱµÄʾÊý£¬Ôò´Ë½ðÊô°åµÄºñ¶ÈΪ
6.200
6.200
mm£»Í¼ÒÒÊÇÓöàÓõç±íµÄÅ·Ä·µµµÄ¡°¡Á10¡±±¶Âʵµ²âÁ¿Ä³µç×èµÄʾÊý£¬Ôò´Ëµç×èµÄ×èֵΪ
190
190
¦¸£®
£¨2£©Ä³ÎïÀíÐËȤС×éÔÚÒ»´Î¿ÎÍâ̽¾¿»î¶¯ÖÐÒª²âÁ¿»¬¿éÓëľ°åÖ®¼äµÄ¶¯Ä¦²ÁÒòÊý£¬ÊµÑé×°ÖÃÈçͼ±ûËùʾ£¬Ò»±íÃæ´Ö²ÚµÄ³¤Ä¾°å¹Ì¶¨ÔÚˮƽʵÑę́µÄ×ÀÃæÉÏ£¬Ò»¶Ë×°Óж¨»¬ÂÖ£»Ä¾°åÉÏÓÐÒ»»¬¿é£¬ÆäÒ»¶ËÓë´©¹ýµç´Å´òµã¼ÆʱÆ÷µÄÖ½´øÏàÁ¬£¬ÁíÒ»¶Ëͨ¹ý¿ç¹ý¶¨»¬ÂÖµÄϸÏßÓëСɳͰÁ¬½Ó£®´òµã¼ÆʱÆ÷ʹÓõĽ»Á÷µçÔ´µÄƵÂÊΪ50Hz£®¿ªÊ¼ÊµÑéʱ£¬ÔÚСɳͰÖзÅÈëÊÊÁ¿µÄɳ£¬·ÅÊֺ󻬿鿪ʼ×öÔȼÓËÙÔ˶¯£¬ÔÚÖ½´øÉÏ´ò³öһϵÁеĵ㣬Èçͼ¶¡Ëùʾ
¢Ùͼ¶¡¸ø³öµÄÊÇʵÑéÖлñÈ¡µÄÒ»ÌõÖ½´øµÄÒ»²¿·Ö£º0¡¢1¡¢2¡¢3¡¢4¡¢5¡¢6¡¢7ÊǼÆÊýµã£¬Ã¿ÏàÁÚÁ½¼ÆÊýµã¼ä»¹ÓÐ4¸ö´òµã£¨Í¼ÖÐδ±ê³ö£©£¬¼ÆÊýµã¼äµÄ¾àÀëÈçͼ¶¡Ëùʾ£¬¸ù¾ÝͼÖÐÊý¾Ý¼ÆËãµÄ¼ÓËÙ¶Èa=
0.496m/s2
0.496m/s2
£¨±£ÁôÈýλÓÐЧÊý×Ö£©£®
0.496m/s2
0.496m/s2

¢ÚΪÁËÄܹ»²âÁ¿³ö»¬¿éÓëľ°å¼äµÄ¶¯Ä¦²ÁÒòÊý£¬ÏÂÁÐÎïÀíÁ¿Öл¹Ó¦²âÁ¿µÄÓÐ
CD
CD
£®£¨ÌîÈëËùÑ¡ÎïÀíÁ¿Ç°µÄ×Öĸ£©
A£®Ä¾°åµÄ³¤¶Èl  B£®Ä¾°åµÄÖÊÁ¿m1 C£®»¬¿éµÄÖÊÁ¿m2 D£®É³Í°ºÍɳµÄ×ÜÖÊÁ¿m3 E£®»¬¿éÔ˶¯µÄʱ¼ät
¢Û»¬¿éÓëľ°å¼äµÄ¶¯Ä¦²ÁÒòÊý¦Ì=
m3g-(m2+m3)a
m2g
m3g-(m2+m3)a
m2g
£¨Óñ»²âÎïÀíÁ¿µÄ×Öĸ±íʾ£¬ÖØÁ¦¼ÓËÙ¶ÈΪg£©£®ÓëÕæʵֵÏà±È£¬²âÁ¿³öµÄ¶¯Ä¦²ÁÒòÊý
Æ«´ó
Æ«´ó
£¨Ìî¡°Æ«´ó¡±»ò¡°Æ«Ð¡¡±£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011Ä꼪ÁÖÊ¡¸ß¿¼¸´Ï°Ä£ÄâÀí¿ÆÎïÀí¾í ÌâÐÍ£ºÊµÑéÌâ

ÔÚÒ»´ÎÎïÀí̽¾¿»î¶¯ÖÐͬѧÃÇÓÃÈçͼ¼×ËùʾµÄ×°ÖÃÀ´²â¶¨Ò»Î¢Ð͵綯»úÔÚÎȶ¨×´Ì¬ÏµÄÊä³ö¹¦ÂÊ¡£ÊµÑéÆ÷²Ä£ºÎ¢Ð͵綯»ú´øÓÐÁ½¸ö¹Ì¶¨Ìú¼ÐµÄÌú¼Ų̈£¬µç´Å´òµã¼ÆʱÆ÷£¬µÍѹ½»Á÷µçÔ´£¬´¹´¸£¬Ï¸Ïߣ¬Ã׳ߣ¬Ö½´ø£¬¸´Ð´Ö½£¬ÌìƽµÈ¡£ÊµÑé²½ÖèÈçÏ£º

¢ÙÈçͼËùʾ£¬½«Î¢Ð͵綯»úºÍµç´Å´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚÌú¼Ų̈ÉÏ£¬²¢ÓëµçÔ´Á¬½Ó¡£°ÑÒ»¸ùϸÏ߹̶¨Ôڵ綯»úµÄתÂÖÉÏ£¬Ï¸Ïß϶ËÁ¬½ÓÔÚÖØ´¸É϶ˣ¬½«Ö½´øµÄÒ»¶Ë´©¹ý´òµã¼ÆʱÆ÷µÄÏÞλ¿×ºó£¬¹Ì¶¨ÔÚÖØ´¸ÉÏ¡£

¢Ú½Óͨ´òµã¼ÆʱÆ÷µÄµçÔ´£¬¼ÆʱÆ÷¿ªÊ¼´òµã£¬Í¬Ê±Æô¶¯Î¢Ð͵綯»ú´ø¶¯ÖØ´¸ÉÏÉý¡£

¢Û¾­¹ýÒ»¶Îʱ¼ä£¬¹Ø±Õ´òµã¼ÆʱÆ÷ºÍ΢Ð͵綯»ú£¬È¡ÏÂÖ½´ø£¬½øÐвâÁ¿¡£

¢ÜÓÃÌìƽ²â³öÖØ´¸µÄÖÊÁ¿¡£

ÒÑÖª½»Á÷µçÔ´ÖÜÆÚT=0.02s£¬µ±µØµÄÖØÁ¦¼ÓËÙ¶Èg=9.80m/s2£¬Ä³´ÎʵÑé²âµÃÖØ´¸µÄÖÊÁ¿Îª0.40kg£¬µÃµ½Ö½´øµÄÒ»¶ÎÈçͼÒÒËùʾ¡£ÊԻشðÏÂÁÐÎÊÌ⣺

£¨1£©ÓÉÖ½´øÉÏ´òϵĵ㣬¿ÉÒÔÅжÏÖØ´¸×ö           Ô˶¯¡£

£¨2£©ÓÉÒÑÖªÁ¿ºÍ²âµÃÁ¿ÇóµÃ΢Ð͵綯»úµÄÊä³ö¹¦ÂÊP=    ¡££¨¼ÆËã½á¹û±£Áô3λÓÐЧÊý×Ö£©

£¨3£©ÄãÈÏΪ΢Ð͵綯»úµÄʵ¼ÊÊä³ö¹¦ÂÊ     £¨Ìî¡°´óÓÚ¡±»ò¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±£©¼ÆËãÖµ¡£Ô­ÒòÊÇ              ¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚÒ»´ÎÎïÀí̽¾¿»î¶¯ÖÐͬѧÃÇÓÃÈçͼ¼×ËùʾµÄ×°ÖÃÀ´²â¶¨Ò»Î¢Ð͵綯»úÔÚÎȶ¨×´Ì¬ÏµÄÊä³ö¹¦ÂÊ¡£ÊµÑéÆ÷²Ä£ºÎ¢Ð͵綯»ú´øÓÐÁ½¸ö¹Ì¶¨Ìú¼ÐµÄÌú¼Ų̈£¬µç´Å´òµã¼ÆʱÆ÷£¬µÍѹ½»Á÷µçÔ´£¬´¹´¸£¬Ï¸Ïߣ¬Ã׳ߣ¬Ö½´ø£¬¸´Ð´Ö½£¬ÌìƽµÈ¡£ÊµÑé²½ÖèÈçÏ£º

¢ÙÈçͼËùʾ£¬½«Î¢Ð͵綯»úºÍµç´Å´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚÌú¼Ų̈ÉÏ£¬²¢ÓëµçÔ´Á¬½Ó¡£°ÑÒ»¸ùϸÏ߹̶¨Ôڵ綯»úµÄתÂÖÉÏ£¬Ï¸Ïß϶ËÁ¬½ÓÔÚÖØ´¸É϶ˣ¬½«Ö½´øµÄÒ»¶Ë´©¹ý´òµã¼ÆʱÆ÷µÄÏÞλ¿×ºó£¬¹Ì¶¨ÔÚÖØ´¸ÉÏ¡£

¢Ú½Óͨ´òµã¼ÆʱÆ÷µÄµçÔ´£¬¼ÆʱÆ÷¿ªÊ¼´òµã£¬Í¬Ê±Æô¶¯Î¢Ð͵綯»ú´ø¶¯ÖØ´¸ÉÏÉý¡£

¢Û¾­¹ýÒ»¶Îʱ¼ä£¬¹Ø±Õ´òµã¼ÆʱÆ÷ºÍ΢Ð͵綯»ú£¬È¡ÏÂÖ½´ø£¬½øÐвâÁ¿¡£

¢ÜÓÃÌìƽ²â³öÖØ´¸µÄÖÊÁ¿¡£

ÒÑÖª½»Á÷µçÔ´ÖÜÆÚT=0.02s£¬µ±µØµÄÖØÁ¦¼ÓËÙ¶Èg=9.80m/s2£¬Ä³´ÎʵÑé²âµÃÖØ´¸µÄÖÊÁ¿Îª0.40kg£¬µÃµ½Ö½´øµÄÒ»¶ÎÈçͼÒÒËùʾ¡£ÊԻشðÏÂÁÐÎÊÌ⣺

£¨1£©ÓÉÖ½´øÉÏ´òϵĵ㣬¿ÉÒÔÅжÏÖØ´¸×ö           Ô˶¯¡£

£¨2£©ÓÉÒÑÖªÁ¿ºÍ²âµÃÁ¿ÇóµÃ΢Ð͵綯»úµÄÊä³ö¹¦ÂÊP=    ¡££¨¼ÆËã½á¹û±£Áô3λÓÐЧÊý×Ö£©

£¨3£©ÄãÈÏΪ΢Ð͵綯»úµÄʵ¼ÊÊä³ö¹¦ÂÊ     £¨Ìî¡°´óÓÚ¡±»ò¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±£©¼ÆËãÖµ¡£Ô­ÒòÊÇ              ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011Ä꼪ÁÖÊ¡¸ß¿¼¸´Ï°Ä£ÄâÀí¿ÆÎïÀí¾í ÌâÐÍ£ºÊµÑéÌâ

ÔÚÒ»´ÎÎïÀí̽¾¿»î¶¯ÖÐͬѧÃÇÓÃÈçͼ¼×ËùʾµÄ×°ÖÃÀ´²â¶¨Ò»Î¢Ð͵綯»úÔÚÎȶ¨×´Ì¬ÏµÄÊä³ö¹¦ÂÊ¡£ÊµÑéÆ÷²Ä£ºÎ¢Ð͵綯»ú´øÓÐÁ½¸ö¹Ì¶¨Ìú¼ÐµÄÌú¼Ų̈£¬µç´Å´òµã¼ÆʱÆ÷£¬µÍѹ½»Á÷µçÔ´£¬´¹´¸£¬Ï¸Ïߣ¬Ã׳ߣ¬Ö½´ø£¬¸´Ð´Ö½£¬ÌìƽµÈ¡£ÊµÑé²½ÖèÈçÏ£º

¢ÙÈçͼËùʾ£¬½«Î¢Ð͵綯»úºÍµç´Å´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚÌú¼Ų̈ÉÏ£¬²¢ÓëµçÔ´Á¬½Ó¡£°ÑÒ»¸ùϸÏ߹̶¨Ôڵ綯»úµÄתÂÖÉÏ£¬Ï¸Ïß϶ËÁ¬½ÓÔÚÖØ´¸É϶ˣ¬½«Ö½´øµÄÒ»¶Ë´©¹ý´òµã¼ÆʱÆ÷µÄÏÞλ¿×ºó£¬¹Ì¶¨ÔÚÖØ´¸ÉÏ¡£
¢Ú½Óͨ´òµã¼ÆʱÆ÷µÄµçÔ´£¬¼ÆʱÆ÷¿ªÊ¼´òµã£¬Í¬Ê±Æô¶¯Î¢Ð͵綯»ú´ø¶¯ÖØ´¸ÉÏÉý¡£
¢Û¾­¹ýÒ»¶Îʱ¼ä£¬¹Ø±Õ´òµã¼ÆʱÆ÷ºÍ΢Ð͵綯»ú£¬È¡ÏÂÖ½´ø£¬½øÐвâÁ¿¡£
¢ÜÓÃÌìƽ²â³öÖØ´¸µÄÖÊÁ¿¡£
ÒÑÖª½»Á÷µçÔ´ÖÜÆÚT=0.02s£¬µ±µØµÄÖØÁ¦¼ÓËÙ¶Èg=9.80m/s2£¬Ä³´ÎʵÑé²âµÃÖØ´¸µÄÖÊÁ¿Îª0.40kg£¬µÃµ½Ö½´øµÄÒ»¶ÎÈçͼÒÒËùʾ¡£ÊԻشðÏÂÁÐÎÊÌ⣺

£¨1£©ÓÉÖ½´øÉÏ´òϵĵ㣬¿ÉÒÔÅжÏÖØ´¸×ö          Ô˶¯¡£
£¨2£©ÓÉÒÑÖªÁ¿ºÍ²âµÃÁ¿ÇóµÃ΢Ð͵綯»úµÄÊä³ö¹¦ÂÊP=   ¡££¨¼ÆËã½á¹û±£Áô3λÓÐЧÊý×Ö£©
£¨3£©ÄãÈÏΪ΢Ð͵綯»úµÄʵ¼ÊÊä³ö¹¦ÂÊ    £¨Ìî¡°´óÓÚ¡±»ò¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±£©¼ÆËãÖµ¡£Ô­ÒòÊÇ             ¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸